def pubkey
import bend-collections-laws-crypto@1.0.0.0/src/crypto/secp256k1/schnorr.bend as Schnorrimport Base
110# PubKey(sk) = bytes(d' G), the 32-byte x-only public key
111def pubkey(+sk: List<&2, U32>) -> Maybe<&2, List<&2, U32>>:
112 pubkey_d(secret(sk))